这样翻译的对吗,如有问题请指正

题目

这样翻译的对吗,如有问题请指正
1 在我昨天晚上吃饭以前,曾和李先生见过面. I had met Mr. Li before I ate dinner yesterday evening.
2 在他辞职（resign）以前,他是个好校长（president）. He had a good president before he resigned.
第二句 为什么不用过去完成时呢？还是过去完成和过去时都能用？

答案

I had met Mr.Li before I had dinner yesterday evening.
He had been a good president before resinged.